单元知识检测
教材回扣
Ⅰ.课文缩写填空
答案:1.annually 2.whose 3.kilometres 4.depth 5.driven 6.making 7.inhospitable 8.to 9.had begun 10.on
Antarctica is the coldest and driest place on Earth.With rainfall close to zero 1. (annual),Antarctica is technically a desert. Antarctica holds 90% of the world’s ice,most of 2. fresh water is in a frozen state.On average the ice cap is two 3. .(kilometre) thick,but in some places it reaches a 4. (deep) of five kilometres.Strong winds 5. (drive)by gravity ...
附件列表